ON THE IMPLEMENTATION OF FULLY ADAPTIVE INTERPOLATED FIR FILTERS

被引：0

作者：

Batista, Eduardo L. O. ^{[1
]}

Seara, Rui ^{[2
]}

机构：

[1] Univ Fed Santa Catarina, LINSE Circuits & Signal Proc Lab, Dept Informat & Stat, BR-88040900 Florianopolis, SC, Brazil

[2] Univ Fed Santa Catarina, LINSE Circuits & Signal Proc Lab, Dept Elect Engn, BR-88040900 Florianopolis, SC, Brazil

来源：

2012 PROCEEDINGS OF THE 20TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2012年

关键词：

Adaptive algorithm; adaptive filters; interpolation; least mean square algorithms;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel strategy for implementing fully adaptive interpolated finite impulse response (FAIFIR) structures using either the least-mean-square (LMS) or the normalized LMS algorithms. The aim of such a strategy is to mitigate numerical stability issues arising from simultaneously adapting the two cascaded filters (sparse filter and interpolator) that compose a FAIFIR structure. In this context, a modification in the structure of the interpolator is proposed with no impact on both the computational complexity and applicability of the FAIFIR structure. As a result, adaptive filters with enhanced numerical properties are obtained. Numerical simulation results are presented attesting the effectiveness of the proposed strategy.

引用

页码：2173 / 2177

页数：5

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